Plug for testing building pipework



FIG. 1 is a top view of a plug for testing building pipework;

FIG. 2 is a side view of the plug for testing building pipework shown inFIG. 1;

FIG. 3 is a bottom view of the plug for testing building pipework shownin FIG. 1;

FIG. 4 is a front view of the plug for testing building pipework shownin FIG. 1;

FIG. 5 is a rear view of the plug for testing building pipework shown inFIG. 1;

FIG. 6 is a front perspective view of the plug for testing buildingpipework shown in FIG. 1; and,

FIG. 7 is a rear perspective view of the plug for testing buildingpipework shown in FIG. 1.

CLAIM We claim the ornamental design for a plug for testing buildingpipework, as shown and described.